1996 Chevrolet Impala SS 5.7L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Car will start but runs rich hot or cold, once it runs, it runs great, o2 readings rich,fuel trims trying to take away fuel, fuel presure reg not leaking.
FIX posted 7/18/2010
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Message Closed w/FIX
Vehicle Data1996 Chevrolet Impala SS
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1996 Chevrolet Impala SS
VIN | 1G1BL52P3T |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
Occurs | On Start Up |
Trouble Codes
P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |